Field Desorption and Fast Atom Bombardment Mass Spectrometry of Spirostanol and Furostanol Saponins from Paris polyphylla

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Abstract
The application of field desorption and fast atom bombardm ent mass spectrometry for molecular weight determination and structural elucidation of spirostanol and furostanol saponins isolated from Paris Polyphylla Sm. (Liliaceae) is reported. The capacity and limitations of these methods for sugar sequencing, differentiation of isomers and purity control of oligoglycosidic natural products are discussed

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